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United States Patent | 5,568,186 |
Althouse | October 22, 1996 |
A dewar cooled piezo electric activated beam splitter permits a filtered dimensional multispectral multidetector staring imager to operate as a target acquisition and recognition device as well as a detector and classifier of unknown chemical vapors or other targets with spectral fingerprint.
Inventors: | Althouse; Mark L. G. (Bel Air, MD) |
Assignee: | The United States of America as represented by the Secretary of the Army (Washington, DC) |
Appl. No.: | 365374 |
Filed: | December 27, 1994 |
Current U.S. Class: | 348/33; 250/332; 250/339.02; 250/339.13; 250/347; 348/164 |
Intern'l Class: | H04N 005/33 |
Field of Search: | 348/164,25,32,33 250/339.02,339.12,339.13,347,352,332 356/320,437 340/632,634 |
4285007 | Aug., 1981 | Nakano et al. | 348/273. |
4658140 | Apr., 1987 | Roll et al. | 250/347. |
4678332 | Jul., 1987 | Rock et al. | 356/328. |
4725733 | Feb., 1988 | Horman et al. | 250/339. |
4783593 | Nov., 1988 | Noble | 250/352. |
4940895 | Jul., 1990 | Mansfield | 250/332. |
5075550 | Dec., 1991 | Miller et al. | 250/338. |
5164858 | Nov., 1992 | Aguilera et al. | 359/587. |
5260575 | Nov., 1993 | Iwasaki et al. | 250/352. |
5306913 | Apr., 1994 | Noack et al. | 250/338. |